18447974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1889}}^1$

素因数の和:2167

約数の個数: 16

約数和(自身を含む): 29257200

約数和(自身を除く): 10809226

約数列:

[1, 2, 19, 38, 257, 514, 1889, 3778, 4883, 9766, 35891, 71782, 485473, 970946, 9223987, 18447974]

約数ペア:

[(1, 18447974), (2, 9223987), (19, 970946), (38, 485473), (257, 71782), (514, 35891), (1889, 9766), (3778, 4883)]